Dell 17-5748, 9264, P264001 owner manual Before Working Inside Your Computer, Before You Begin

Before Working Inside Your Computer

CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts.

Before You Begin

1Save and close all open files and exit all open applications.

2Shut down your computer.

–Windows 8: Move your mouse pointer to the upper-right or lower- right corner of the screen to open the charms sidebar, and then click or tap Settings → Power → Shut down.

–Windows 7: Click or tap Start → Shut down .

NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.

3Disconnect your computer and all attached devices from their electrical outlets.

4Disconnect all cables such as telephone cables, network cables and so on, from your computer.

5Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer.

6Remove any media card and optical disc from your computer, if applicable.

Safety Instructions

Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety.

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance.

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